Beautiful Chemistry is a project from Tsinghua University Press and China’s University of Science and Technology, with beautiful close-up footage of chemical reactions.
Pledge something to Relatively Prime: Series 2, Samuel Hansen’s newest series of podcasts. (You listened to Series 1, right?)
Michael Spivak has lecture notes on Elementary mechanics from a mathematician’s viewpoint (via metafilter)
Randomness: The ghost in the machine from Yohan J. John at 3 Quarks Daily.
Telegraph Research has done a quantitative analysis of pooled ridesharing.
DataGenetics on optimizing rope swings for distance traveled.
The UK has a National Numeracy charity. Among other things, they would like to shame celebrities who “boast of being no good at maths”.
From colah, Visualizing MNIST: An exploration of dimensionality reduction. (That’s the MNIST database of handwritten digits.)